"Water scarcity could lead to conflict between communities and nations as the world is still not fully aware of the water crisis many countries face as a result of climate change, the head of the U.N. panel of climate scientists warned on Tuesday."

"The World Meteorological Organization reported on Monday that 2014 was the hottest year in a historical record of global temperature dating from 1880. That finding confirms an announcement made last month by two American scientific agencies and one in Japan."

"Coal prices, already down 52 percent since 2011, are forecast to keep falling. The rout shows that exporters’ OPEC-like tactics of trying to squeeze out high-cost producers have been frustrated by the rising dollar."

"A tally of monarch butterflies wintering in Mexico rose to 56. 5 million this year from a record low of 34 million last year but conservationists said on Tuesday the increase was too slight to reduce the threat of extinction facing the insect."

"Government representatives from around the world agreed Saturday to develop the first legally-binding agreement to conserve marine life in the high seas and international seabed, an area covering roughly half the planet."

"A climate-change skeptic at the Harvard-Smithsonian Center for Astrophysics who has relied on grants from fossil-fuel energy interests apparently failed to disclose financial conflicts of interest in a newly released paper, according to a complaint by a climate watchdog group."

"India and America's declaration of a breakthrough in contentious nuclear energy cooperation has been met with a lukewarm response from industry and analysts. Few expect the potentially lucrative Indian market to suddenly become less complicated for U.S. nuclear companies."